Flood risk assessment is the assessment of flood risk before setting up houses or establishments in a particular area. It is associated with the analysis of land prone to floods and therefore, estimate the extent of risk to property and life and re-direct development initiatives from such places to places that pose a lesser risk. The open access journals are peer reviewed scholarly journals of Geography & Natural Disasters. The top open access journals are freely available on the public internet domain, allowing any end users to read, download, copy, distribute, prink, search or link to the full texts of the articles. These provide high quality, meticulously reviewed and rapid publication, to cater the insistent need of scientific community. These journals are indexed with all their citations noted. The top open access journals are indexed in SCOPUS, COPERNICUS, CAS, EBSCO and ISI.